I want to thank the staff of One World Observatory for a great visit yesterday (4/3/16). I require the assistance of a service dog and the staff was well trained on ADA and service dogs. While my k9 does know how to navigate revolving doors, the ones at your facility were moving too quickly for myself and my k9 to safely enter them. One of your security personnel noticed my dilemma, motioned for me to step off to the side, and opened the door for me to come in safely. Once at the security check, who I assume was head of security for the day, came up and asked me to please step aside to talk with him as to not talk in front of everyone. He knew what questions are allowed by ADA to be asked about my k9, was extremely respectful to me, and my needs. (I thank you sir for that. It was the best encounter I have had with a business.) All of the staff was very respectful and didn't try to distract my k9 in any way. Some may have even got to experience my excitement when I was able to get my k9 on the escalators (which has been something I have been working on with my k9 for awhile now). My k9 enjoyed the views as much as all the humans in our group. And of course on our way out the gentleman who opened the side door for me took me aside and let me and my k9 back out. We will be sure to attend again in the future! Thank you all for your hospitality and keep up the great training with your staff on ADA and service dogs.